Molar and molecular weight of C4H8O

• Molecular formula: C4H8O or (CH3)2CHCHO
• Relative molecular weight of C4H8O: 72.10572
• Molar mass of C4H8O: 72.10572 g/mol (0.07211 kg/mol)

Calculation of the relative molecular and molar mass of C4H8O

• Mr[C4H8O] = Ar[C] * 4 + Ar[H] * 8 + Ar[O] = 12.0107 * 4 + 1.00794 * 8 + 15.9994 = 72.10572
• Molar mass (kg/mol) = Mr[C4H8O] : 1000 = 72.10572 : 1000 = 0.07211 kg/mol

C4H8O: percent composition by element

• Carbon (C) = 48.0428 : 72.10572 * 100 = 66.628 %
• Hydrogen (H) = 8.06352 : 72.10572 * 100 = 11.183 %
• Oxygen (O) = 15.9994 : 72.10572 * 100 = 22.189 %

Molar mass calculator